National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

0°F

-18°C

Humidity 87%
Wind Speed Calm
Barometer 30.48 in (1033.0 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 21 Jan 4:53 am EST
Extended Forecast for

Millerstown PA

  • Today

    Today: A chance of snow showers, mainly between 2pm and 4pm. Increasing clouds, with a high near 33. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 33 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Tonight

    Tonight: A chance of snow showers before 10pm. Mostly cloudy, with a low around 29. South wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. West wind 7 to 14 mph, with gusts as high as 29 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Light west wind.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.

    Low: 9 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely. Cloudy, with a high near 16. Chance of precipitation is 70%.

    High: 16 °F

    Snow Likely

Detailed Forecast

Today
A chance of snow showers, mainly between 2pm and 4pm. Increasing clouds, with a high near 33. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Tonight
A chance of snow showers before 10pm. Mostly cloudy, with a low around 29. South wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 40. West wind 7 to 14 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 21. Light west wind.
Friday
Partly sunny, with a high near 29. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Sunday
Snow likely. Cloudy, with a high near 16. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millerstown PA
 40.55°N 77.14°W (Elev. 489 ft)
Last Update:
2:26 am EST Jan 21, 2026
Forecast Valid:
5am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation